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46 minutes (in 2 parts for schools: Part 1. 20 min.; Part 2.
26 min.)
Grades 7-Adult
1994
Closed Captioned
Produced by the Canadian Broadcasting Corporation's "The
Nature of Things"
"Erosion," says host David Suzuki, "is the eternal dance
between waves, wind and land." It's nature's way of
transporting sand from one place to another. Nothing is lost,
it just changes places - until humans interfere. And as this
program clearly shows, people are not content to let nature
have its way. In a futile effort, developers, home-owners,
and
businesses try various engineering solutions to combat the
sea.
The sea, however, always wins. Jetties, groynes, seawalls and
beach renourishment programs are all attempts to defeat the
tides. An eight million dollar project of the US Army Corps
of Engineers at Folly Beach, South Carolina, was destroyed in
March 1993 when the storm of the century hit with hurricane-
force winds. The project had attempted to dredge massive
amounts of sand and pump it onto the shrinking beach front.
All this work was to replace a beach whose erosion was caused
by jetties built just north of the site by the Corps of
Engineers some years before.
As Orrin Pilkey, Professor of Geology at Duke University
points out, "There is no erosion problem in nature until
someone builds something next to the shoreline to measure it
by."
Awards: Silver Apple, National Educational Film & Video
Festival
- "...informative, well-produced, and engaging presentation.
Coastal erosion is certainly not one of the more widely
covered environmental issues...and this work would provide a
good introduction to the topic for general library collections
and schools." *** Video Librarian
"A very good up-to-date film that holds one's interest
throughout...It is vintage Pilkey and delivers a message that
should be heeded by engineers and geologists alike." Bernard
W. Pipkin, Professor Emeritus, USC, author of Geology and the
Environment.
OCEANOGRAPHY, HYDROLOGY, COASTLINE, ENVIRONMENT, DEVELOPMENT,
HABITAT, STS, TIDES, ECOLOGY, TECHNOLOGY
ISBN: 1-56029-596-1
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